MongoDB\Driver\Monitoring\CommandStartedEvent::getServiceId

Returns the load balancer service ID for the command

説明

final public MongoDB\BSON\ObjectIdnull MongoDB\Driver\Monitoring\CommandStartedEvent::getServiceId()

When the driver is connected to a MongoDB cluster through a load balancer, the service ID corresponds to the serviceId field in the hello command response.

パラメータ

この関数にはパラメータはありません。

戻り値

Returns the load balancer service ID, or null if the driver is not connected to a load balancer.

エラー / 例外

Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.